ObjMatrix  Diff

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 * POSSIBILITY OF SUCH DAMAGE.
 */

#import <ObjFW/ObjFW.h>

OF_ASSUME_NONNULL_BEGIN

/**
 * @brief A block which will be treated as a single transaction for the storage.
 *
 * @return Whether the transaction should be committed (`true`) or rolled back
 *	   (`false`).
 */
typedef bool (^mtx_storage_transaction_block_t)(void);

/**
 * @brief A protocol for a storage to be used by @ref MTXClient.
 */
@protocol MTXStorage <OFObject>
/**
 * @brief Performs all operations inside the block as a transaction.
 */
- (void)transactionWithBlock: (mtx_storage_transaction_block_t)block;

/**
 * @brief Stores the next batch for the specified device.
 *
 * @param nextBatch The next batch for the device
 * @param deviceID The device for which to store the next batch
 */
- (void)setNextBatch: (OFString *)nextBatch